You can test your emergency lighting batteries in your emergency light fixture or the exit sign batteries in your exit sign by depressing the test button on the fixture to see if it lights up. One source is powered by the buildings power supply while a second source is reserved for illumination through use of the back up battery in the exit fixture during emergencies or power failure.
The majority of exit signs today offer two sources of illumination. Testing Your Current Exit Sign or Emergency Lighting Battery A properly maintained exit sign battery or emergency lighting battery is designed to allow a minimum of 90 minutes of back up illumination in a power failure. The back up battery must be changed routinely to insure the power source is not depleted to the point it can not operate correctly during an emergency situation or power outage. Regular maintenance of an Exits sign or emergency lighting is required. Large fines can be levied on individuals or companies with weak or dead batteries in their emergency fixtures. Exit Sign and Emergency Lighting Legal Requriementsīoth exit sign batteries and emergency lighting batteries are sporadically inspected by government officials to insure the fixtures are operating properly to code.
The majority of governmental codes require exit signs be illuminated at all times. Emergency lighting fixtures allow for back lighting during emergencies or power outages and also require a properly operating back-up emergency light battery. Exit signs are used to designate the closest escape route in case of fire or emergency and require a properly maintained exit sign battery to illuminate the path of egress during a power outage. Exit signs and emergency lighting are required in all public spaces, businesses, airplanes, boats and ships.
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